I hope you can arrange your study time in a planned way, and be self-disciplined, confident and self-reliant. Dad is your forever support.
3, as long as you work hard, you can gain something. There is no free lunch in the world, because any gain comes at a price.
4. Try, try, try again. Son, you are the best: as long as you work hard, you will get something.
You should study hard and try to get better results in the final exam. Work hard! Success belongs to persistent people.